package com.yunfangdata.service;


import com.yunfangdata.domain.Grade;
import com.yunfangdata.query.QueryObject;
import com.yunfangdata.util.PageResult;

import java.util.List;

public interface IGradeService {


    void save(Grade entity);


    void update(Grade entity);


    List<Grade> list();


    PageResult query(QueryObject qo);

    void changeState(Long id);
}
